katbr.dk DNS records

🖥️ Nameservers5 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.brandshelter.com	193.227.117.9 2a04:2b00:14cc::9	ns1.brandshelter.com —	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns2.brandshelter.de	194.50.187.11 2a04:2b00:14dd::11	ns2.brandshelter.de ns11.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH
ns3.brandshelter.info	194.0.182.12 2a04:2b00:14ee::12	ns3.brandshelter.info ns12.k.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns4.brandshelter.net	193.227.117.10 2a04:2b00:14cc::10	ns4.brandshelter.net ns10.i.centralnic-dns.com	AS1921 ipcom GmbH AS1921 ipcom GmbH
ns5.brandshelter.us	194.50.187.14 2a04:2b00:14dd::14	ns5.brandshelter.us ns14.j.centralnic-dns.com	AS207021 ipcom GmbH AS207021 ipcom GmbH

🌍 A Records

🌍

No A records found

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 219ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (katbr.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.katbr.dk)
p=reject	v=DMARC1; p=reject; sp=reject;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC88ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2025035771
Primary NS (MNAME)	ns1.brandshelter.com
Responsible (RNAME)	tech@brandshelter.com
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

54ms

A

54ms

MX

55ms

AAAA

54ms

TXT

219ms

CAA

63ms

HTTPS

66ms

TLSA

39ms

SOA

0ms

MTA-STS

57ms

DNSSEC

88ms

SRV

65ms

Total

987ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 07:38:19	987ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-27 23:24:43	419ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-20 13:26:06	6993ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-14 09:29:06	933ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-08-07 06:26:13	954ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-31 20:25:43	786ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-23 07:20:23	956ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-17 05:09:03	1030ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-10 08:08:02	8832ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-07-03 12:18:00	1110ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-25 13:28:43	718ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-24 21:41:03	1182ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-22 17:42:09	1157ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 10:18:50	609ms	5 NS 0 A 0 MX	🔒 Secure	View
2026-06-17 20:13:06	865ms	5 NS 0 A 0 MX	🔒 Secure	View